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nor parts, to which it is well to attach easily remembered names. In this section of my index I will not admit the confusion of idea involved by alphabetical arrangement of these names, but will sacrifice facility of reference to clearness of explanation, and taking the four great parts of the plant in {239} succession, I will give the list of the minor and constituent parts, with their names as determined in Proserpina, and reference to the pages where the reasons for such determination are given, endeavouring to supply, at the same time, any deficiencies which I find in the body of the text. I. THE ROOT. PAGE Origin of the word Root 27 The offices of the root are threefold: namely, Tenure, Nourishment, and Animation 27-34 The essential parts of a Root are two: the Limbs and Fibres 33 I. THE LIMB is the gathered mass of fibres, or at least of fibrous substance, which extends itself in search of nourishment 32 II. THE FIBRE is the organ by which the nourishment is received 32 The inessential or accidental parts of roots, which are attached to the roots of some plants, but not to those of others, (and are, indeed, for the most part absent,) are three: namely, Store-Houses, Refuges, and Ruins 34 III. Store-houses contain the food of the future plant 34 {240} IV. REFUGES shelter the future plant itself for a time 35 V. RUINS form a basis for the growth of the future plant in its proper order 36 Root-Stocks, the accumulation of such ruins in a vital order 37 General questions relating to the office and chemical power of roots 38 /# The nomenclature of Roots will not be extended, in Proserpina, beyond the five simple terms here given: though the ordinary botanical ones--corm, bulb, tuber, etc.--will be severally explained in connection with the plants which they specially characterize. #/ II. THE S
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